The International Power Quality Resource

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1 3-Phase Reactors Line/Load Reactors Increase Drive System Reliability Filter Power Line Disturbances Reduce Harmonics Reduce Surge Currents Reduce dv/dt Extend Transistor Life Reduce Motor Noise and Temperature Reduce Voltage Doubling Effects Improve True Power Factor Absorb Power Line Spikes Harmonic Compensated and IGBT Protected 3-Phase Reactors

2 Benefits of Using Line/Load Reactors Guard-AC line/load reactors help keep your equipment running longer by absorbing many of the power line disturbances which otherwise damage or shut down your

Guard-AC reactors are harmonic compensated and IGBT protected to assure optimum performance in the presence of harmonics.

2 2 Benefits of Using Line/Load Reactors Guard-AC line/load reactors help keep your equipment running longer by absorbing many of the power line disturbances which otherwise damage or shut down your inverters, variable speed controllers, or other sensitive equipment. They are the modern technology solution to inverter and drive application problems. Guard-AC reactors are harmonic compensated and IGBT protected to assure optimum performance in the presence of harmonics. They are very effective at reducing harmonics produced by inverters and drives, and in most cases will help you to meet IEEE 519. Use our harmonic compensated reactors on either the input or output of an adjustable speed drive/inverter. There is no need to derate our harmonic compensated reactors for harmonics. Impedance Rating 3% impedance reactors are typically sufficient to absorb power line spikes and motor current surges. They will prevent nuisance tripping of drives or circuit breakers in most applications. 5% impedance reactors are best for reducing harmonic currents and frequencies. Use them when you must comply with IEEE 519, to reduce motor operating temperature, or to reduce motor noise. % Impedance = I (50/60 Hz fundamental) 2 f L V (L-L) Protect Motors from Long Lead Effects Reduce Output Voltage dv/dt Virtually Eliminate Nuisance Tripping Extend Semiconductor Life Reduce Harmonic Distortion Reduce Surge Currents Reduce Motor Temperature Reduce Motor Audible Noise Improve True Power Factor Helps Meet IEEE 519 or EN Agency Approvals Guard-AC reactors are manufactured to the exacting standards of MIL-I-45208, VDE-0550, are UL recognized and CSA certified. All UL approvals are for USA and Canada. CSA File #LR , open units up to 2400A UL-508 File #E180243, open and enclosed up to 2400A All higher current reactors offer UL recognized insulation systems and construction. NOTE: The actual effective impedance of the reactor changes with actual fundamental current.

3 3 Typical Harmonic Distortion of PWM Inverter Without Reactor Fundamental Fundamental Harmonics 5th 7th 11th 13th 15th 17th Typical Harmonic Distortion of PWM Inverter With 5% Impedance Reactor Harmonics 5th 7th 11th 13th 17th Harmonic Reduction Because all standard Guard-AC reactors are compensated for harmonics (current and frequency), they are extremely effective at reducing the amount of harmonics which are produced by a drive/inverter. Use 5% impedance, harmonic compensated reactors for best reduction of harmonic distortion. Percent Harmonics vs Total Input Line Impedance Total Input Impedance Harmonic 3% 4% 5% 6% 7% 8% 9% 10% 5th th th th th th %THID TRMS Reactor Linearity This curve illustrates the linearity of Guard-AC reactors. Even at 150 percent of their current rating, these reactors still have 100% of their nominal inductance. This assures maximum filtering of distortion even in the presence of severe harmonics and best absorption of surges. The typical tolerance on rated inductance is plus-or-minus 5 percent. Inductance Reactor Linearity Curve 105% 100% 95% 50% Minimum Value 100% 150% 350% 500% Current You Benefit From These Unique Features HARMONIC COMPENSATION makes Guard-AC reactors suitable for use on either the drive input or drive output. They are designed to carry full rated fundamental current plus handle current and frequencies associated with harmonics up to 50 percent more. TERMINALS are provided as standard to save installation cost and minimize panel space. Finger proof (IP20) terminals are provided through 45 amps, solid copper box lugs above that to 400 amps. Tab type terminals are available as an option. EPOXY IMPREGNATION minimizes audible noise in the reactor and enhances structural integrity. IGBT PROTECTION allows all MTE standard reactors to be used on the output of variable frequency drives including IGBT types with switching frequencies up to 20 KHZ. A premium dielectric system is utilized to protect the first, last and end turns from the potentially high circuit peak voltages and fast dv/dt which are experienced in applications with long leads between the inverter and motor. Additionally, the general dielectric system of each reactor meets UL-506 (4000 volts rms). HIGH SATURATION CURRENT RATING of Guard-AC reactors maximizes their surge current protection capability. Guard-AC reactors absorb many of the power line disturbances which cause nuisance trips on voltage source inverters.

4 4 Selection Table* 600 Volts, 50/60 Hertz (Open Type) Ratings HP/kw 1/ /1.1 2/1.5 3/2.2 5/ /5.5 10/7.5 15/11 20/15 25/ /22 40/30 3% RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- 208 Volts Impedance /60 HZ 5% RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- Impedance % RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- 240 Volts Impedance /60 HZ 5% RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- Impedance % RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- 380 Volts Impedance /60 HZ 4% RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- Impedance % RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- 400 Volts Impedance /60 HZ 4% RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- Impedance % RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- 415 Volts Impedance /60 HZ 4% RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- Impedance % RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- 480 Volts Impedance /60 HZ 5% RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- Impedance % RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- 600 Volts Impedance /60 HZ 5% RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- Impedance * For maximum continuous current ratings refer to Specifications on Page 7. For Input or Output of Adjustable Speed Drive/Inverter Systems This table is suitable for selection of both input and output reactors because their harmonic compensation and IGBT protection allow them to be used in either application. Specific current and inductance ratings are indicated on Page 7. Consult factory for any special applications (higher current, motor rating different than controller rating, etc.) Select Guard-AC line/load reactors based upon motor horsepower, (or kilowatts) and voltage. Verify that the motor full oad amperer rating is within the fundamental current rating of the reactor, and the drive/inverter rating is within the maximum continuous current rating of the reactor (See Page 7). For higher or lower current ratings, consult factory. For other voltages or frequencies, consult factory. Single phase reactors are also available, consult factory for proper selection. Custom or modified reactors are available to meet specific requirements for special applications such as harmonic filters, consult factory for assistance.

5 5 Selection Table continued 50/ /45 75/55 100/75 125/93 150/ / / / / / / / /550 RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL- RL Consult Factory Reactor Part Number Type W H D WGT. LBS Cabinet NEMA 1 Cabinets All Guard-AC reactors are available as either open type or in a NEMA Type 1 general purpose enclosure. To order a reactor mounted in a cabinet simply change the second last digit of the part number from 0 to 1. Example RL becomes RL RL-002XX, RL-004XX,RL-008XX Wall RL-012XX, RL-01801, RL Mount CAB-8 RL-01803, RL-025XX, RL-035XX RL-045XX, RL-055XX, RL-080XX, RL-100XX, RL-130XX, RL-160XX, Floor CAB-13 RL-200XX, RL RL-25002, RL-25003, RL-320XX, RL-400XX, RL-500XX, RL-600XX Floor CAB-17 RL-750XX Floor CAB-30B

6 6 Outline Dimensions All Guard-AC reactors are supplied with field wiring terminals, as illustrated. Units rated 45 amperes or below are supplied with the international terminal block as shown. Reactors rated above 45 amperes thru 400 amperes are supplied with solid copper box lugs. Larger reactors are supplied with copper tab type terminals. Refer to these outline drawings and the table on page 7 for reactor dimensions. Refer to SPECIFICATION Chart on Next Page (45 amperes and below) (above 45 amperes) Motor Protection Reactors help to protect motors from the high peak voltages and fast rise times (dv/dt) which can be experienced in IGBT inverter applications when the distance between the inverter and motor is long. Without Reactor With 5% Impedance Reactor LC Type (dv/dt) Long Lead Filters These motor protection filters are available to improve the inverter output wave form from a PWM type to a nearly sinusoidal wave form. Without Filter With LC Filter Voltage Spike Protection A 3% impedance reactor is very effective at protecting against damage to or nuisance tripping of AC voltage source inverters, due to voltage spikes. Voltage spikes on the AC power lines cause elevation of the DC Bus voltage which may cause the inverter to trip-off and indicate an over-voltage protection condition. Use reactors to absorb these line spikes and offer protection to the rectifiers and DC Bus capacitors while minimizing nuisance tripping of the inverter. DC Voltage (volts) Voltage (pu) Typical Trip Level 3% Reactor No Reactor (a) AC Voltage Spike DC Bus Voltage Without Reactor With Reactor

7 7 Specifications Refer to Outline Dimensions on Previous Page Part Fundamental Max. Continuous Inductance Watts Cabinet A B C D E Wgt. Number AMPS AMPS Loss mm/in. mm/in. mm/in. mm/in. mm/in. Kg/LBS RL mh 7.5 CAB-8 112/ /4.1 71/2.8 50/ / /4 RL mh 11.3 CAB-8 112/ /4.1 71/2.8 50/ / /4 RL mh 16 CAB-8 112/ /4.1 71/2.8 50/ / /4 RL mh 10.7 CAB-8 112/ /4.1 64/2.5 44/ / /3 RL mh 14.5 CAB-8 112/ /4.1 71/2.8 50/ / /4 RL mh 20 CAB-8 112/ /4.1 71/2.8 50/ / /4 RL mh 20 CAB-8 112/ /4.1 86/3.4 60/ / /5 RL mh 21 CAB-8 112/ /4.1 86/3.4 66/ / /6 RL mh 19.5 CAB-8 152/ /4.8 76/3.0 53/ / /7 RL mh 29 CAB-8 152/ /4.8 76/3.0 53/ / /8 RL mh 25.3 CAB-8 152/ /4.8 86/3.4 67/ / /11 RL mh 28 CAB-8 152/ /4.8 86/3.4 63/ / /13 RL mh 26 CAB-8 152/ /5.0 84/3.3 53/ / /9 RL mh 31 CAB-8 152/ /5.0 84/3.3 53/ / /10 RL mh 41 CAB-8 152/ /5.0 99/3.9 70/ / /18 RL mh 36 CAB-8 152/ /5.3 81/3.2 54/ / /9 RL mh 43 CAB-8 152/ /5.3 89/3.5 63/ / /12 RL mh 43 CAB / / /4.0 66/ / /16 RL mh 48 CAB / /5.8 89/3.5 60/ / /11 RL mh 52 CAB / /5.8 89/3.5 60/ / /14 RL mh 61 CAB / / /4.3 79/ / /20 RL mh 49 CAB / / /4.0 66/ / /14 RL mh 54 CAB / / /4.0 70/ / /16 RL mh 54 CAB / / /4.7 80/ / /30 RL mh 54 CAB / / /4.7 80/ / /23 RL mh 62 CAB / / /4.7 80/ / /28 RL mh 65 CAB / / /5.3 93/ / /39 RL mh 64 CAB / / /5.3 80/ / /24 RL mh 67 CAB / / /5.3 80/ / /27 RL mh 71 CAB / / /6.0 99/ / /41 RL mh 82 CAB / / /6.3 88/ / /43 RL mh 86 CAB / / /6.5 88/ / /51 RL mh 96 CAB / / / / / /61 RL mh 94 CAB / / /7.0 88/ / /47 RL mh 84 CAB / / /6.7 93/ / /51 RL mh 108 CAB / / / / / /74 RL mh 108 CAB / / /6.4 80/ / /29 RL mh 180 CAB / / /6.8 93/ / /62 RL mh 128 CAB / / / / / /64 RL mh 116 CAB / / /6.8 80/ / /42 RL mh 149 CAB / / /7.0 88/ / /51 RL mh 138 CAB / / / / / /72 RL mh 124 CAB / / / / / /49 RL mh 168 CAB / / / / / /67 RL mh 146 CAB / / / / / /100 RL mh 154 CAB / / / / / /68 RL mh 231 CAB / / / / / /106 RL mh 219 CAB / / / / / /143 RL mh 224 CAB / / / / / /110 RL mh 264 CAB / / / / / /125 RL mh 351 CAB / / / / / /190 RL mh 231 CAB / / / / / /100 RL mh 333 CAB / / / / / /155 RL mh 293 CAB / / / / / /200 RL mh 266 CAB / / / / / /120 RL mh 340 CAB / / / / / /180 RL mh 422 CAB / / / / / /290 RL mh 307 CAB / / / / / /160 RL mh 414 CAB / / / / / /250 RL mh 406 CAB / / / / / /290 RL mh 427 CAB-30B 559/22 419/ / / / /200 RL mh 630 CAB-30B 559/22 419/ / / / /310 RL mh 552 CAB-30B 559/22 508/20 376/ / / /430

8 Applying Line/Load Reactors Input to Inverter/Drive: On the input of an electronic motor speed controller, line reactors protect sensitive electronic equipment from electrical noise created by the drive or inverter (notching, pulsed distortion, harmonics). They also protect the controller from surges or spikes on the incoming power lines, as well as reduce harmonic distortion. They help to meet the requirements of IEEE 519. Output of Inverter/Drive: In long motor lead applications use reactors (IGBT protected) between the inverter and motor to reduce dv/dt and motor terminal peak voltage. The use of a load (output) reactor also protects the controller from a surge current caused by a rapid change in the load, and even from a short circuit at the load. Our reactors also reduce operating temperature and audible noise in motor loads. Harmonic compensation and IGBT protection of all Guard-AC reactors allows standard units to be used here with confidence. They improve the waveform integrity, thus enhancing motor performance and system efficiency. Multiple s: Multiple drives or inverters on a common power line require one reactor per controller. Individual reactors provide filtering between each controller (reduce crosstalk) and also provide optimum surge protection for each unit. A single reactor serving several controllers does not provide adequate protection, filtering or harmonic reduction when the system is partially loaded. Multiple Motors: When more than one motor is controlled by a single drive, a single reactor can typically be used between the controller and the motors, as illustrated. The reactor should be sized based on the total motor/load horsepower. USA Headquarters W147 N9525 Held Drive Menomonee Falls, WI USA Telephone: Fax: sales@mtecorp.com Form #1141G

RL Line/Load Reactors

RL Line/Load Reactors Selection Table, Technical Details & Product Application Guide MTE HARMONIC COMPENSATED LINE/LOAD REACTORS help keep your equipment running longer by absorbing many of the power line